Solve the formula for the indicated variable.P = 2l + 2w, for l
A. l = 
B. l = 
C. l = 
- 2w
D. l = P - 2w - 2
Answer: B
Mathematics
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Evaluate the indicated function with the given information.Find the value of sin 
if tan ? = -0.6745 (90° < ? < 180°).
A. 0.4695 B. 0.9563 C. 0.2924 D. 0.8829
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Evaluate the expression.
A. -25
B. 
C. 25
D. 
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Solve the problem.A chemical solution contains 4% lead. How much lead is in 
of solution?
A. 0.4 mL B. 25 mL C. 2.5 mL D. 0.04 mL
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Sketch the ellipse for the equation.
+ 
= 1
A. 
B. 
C. 
D. 
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